#include <bits/stdc++.h>
using namespace std;
long long k[500000];
long long a,j;
int d1=0,d0=0,d2=0;

long long q[10000000];


int main(){
freopen("duel.in","r",stdin);
freopen("duel.out","w",stdout);
    cin>>a;
    int ans=a;

    for(int i=0;i<a;i++){
        if(q[i]==1){
            d1++;
        }else if(q[i]==2){
            d2++;
        }

    }
    cout<<ans-min(d1,d2);
fclose(stdin);
fclose(stdout);
return 0;
}
